Leon is reincarnated in the world of the "otome game" he was playing as the third son of an impoverished baron. While he's trying to find happiness as a "mob" or background character, he's offered a terrible marriage proposal.
he ran off on an adventure 
and got himself killed.
فقد رحل في مغامرةٍ
وعرّض نفسه للقتل
er bildet sich auch noch ein, auf
Abenteuerreise zu gehen und dabei zu sterben!
è pure fuggito in cerca di avventure
finendo per morire.
а потом ушёл искать приключения,
да там и помер.